[Bug 199101] New: AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[Bug 199101] New: AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

            Bug ID: 199101
           Summary: AMDGPU Fury X random screen flicker on Linux kernel
                    4.16rc5
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.16rc5
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: wittyman37@yahoo.com
        Regression: No

I compiled and installed 4.16rc on Arch Linux via the linux-git AUR package
today. After rebooting I noticed some random flickering. Every 20-30 seconds or
so a single white flash would take up the entire screen. This occurs on the
desktop and in full screen OpenGL Dota 2. 

Here's some more system info

OpenGL version string: 3.0 Mesa 17.3.6


CPU hardware:
  x86_64
  AMD Ryzen 7 1800X Eight-Core Processor
    Max Speed: 4100 MHz
    Current Speed: 3600 MHz


Memory:
  16 GB
  Speed: 3200 MT/s



GPU hardware:
  OpenGL renderer string: AMD Radeon (TM) R9 Fury Series (FIJI / DRM 3.23.0 /
4.15.8-1-ARCH, LLVM 5.0.1)
  0b:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Fiji [Radeon R9 FURY / NANO Series] [1002:7300] (rev c8)


Motherboard:
  ASUSTeK COMPUTER INC.
  CROSSHAIR VI HERO
  BIOS Version: 3008

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Kevin McCormack (wittyman37@yahoo.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Regression|No                          |Yes

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #1 from Michel Dänzer (michel@daenzer.net) ---
Please attach the corresponding dmesg output.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #2 from Kevin McCormack (wittyman37@yahoo.com) ---
Created attachment 274825
  --> https://bugzilla.kernel.org/attachment.cgi?id=274825&action=edit
Output from journalctl -k on 4.16.0-rc6

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #3 from Kevin McCormack (wittyman37@yahoo.com) ---
Still happening with rc6

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Thomas Crider (tcrider84@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |tcrider84@gmail.com

--- Comment #4 from Thomas Crider (tcrider84@gmail.com) ---
I'm also getting this with a fresh compile as of today (3-24). It's a screen
flicker that occurs every few seconds.  

OpenGL version string: 3.1 Mesa 18.1.0-devel (git-d60eaf7b1f)  

CPU hardware:  
  x86_64  
  AMD Ryzen 7 1700X Eight-Core Processor  
    Current Speed: 3800 MHz  

Memory:  
  16 GB  
  Speed: 3200 MT/s  

GPU hardware:  
  OpenGL renderer string: Radeon RX Vega (VEGA10 / DRM 3.23.0 /
4.16.0-rc6-gd8a5b80568a9, LLVM 6.0.0)  
  0d:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Vega 10 XT [Radeon RX Vega 64] (rev c1)  

Motherboard:  
  ASUSTeK COMPUTER INC.  
  ROG STRIX X370-F GAMING  
  BIOS Version: 3803

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #5 from Thomas Crider (tcrider84@gmail.com) ---
Created attachment 274921
  --> https://bugzilla.kernel.org/attachment.cgi?id=274921&action=edit
Output from journalctl -k on 4.16.0-rc6-VEGA

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Thorsten Leemhuis (regressions@leemhuis.info) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |regressions@leemhuis.info

--- Comment #6 from Thorsten Leemhuis (regressions@leemhuis.info) ---
(In reply to Kevin McCormack from comment #3)
> Still happening with rc6

Kevin: Is this still happening? And is this working with 4.15 (that's unclear
from the initial report)? Just wondering, because I have this issue on the
regression reports for 4.16

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #7 from Kevin McCormack (wittyman37@yahoo.com) ---
It's not a problem on 4.15. It was still a problem on the last rc I tried.

On March 26, 2018 4:58:42 AM EDT, bugzilla-daemon@bugzilla.kernel.org wrote:
>https://bugzilla.kernel.org/show_bug.cgi?id=199101
>
>Thorsten Leemhuis (regressions@leemhuis.info) changed:
>
>           What    |Removed                     |Added
>----------------------------------------------------------------------------
>              CC|                            |regressions@leemhuis.info
>
>--- Comment #6 from Thorsten Leemhuis (regressions@leemhuis.info) ---
>(In reply to Kevin McCormack from comment #3)
>> Still happening with rc6
>
>Kevin: Is this still happening? And is this working with 4.15 (that's
>unclear
>from the initial report)? Just wondering, because I have this issue on
>the
>regression reports for 4.16
>
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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #8 from Thorsten Leemhuis (regressions@leemhuis.info) ---
@Michel Dänzer: Any progress with this? It's on the list of regressions for
4.16

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Alex Deucher (alexdeucher@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #9 from Alex Deucher (alexdeucher@gmail.com) ---
Can you bisect?

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #10 from Thomas Crider (tcrider84@gmail.com) ---
just fyi I do not get the flicker on 4.16 rc3, this may help to shorten the
time it takes to bisect

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Samuel Grahn (samuel.grahn@outlook.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |samuel.grahn@outlook.com

--- Comment #11 from Samuel Grahn (samuel.grahn@outlook.com) ---
I get the same issue on arch kernels: linux (4.15), linux-mainline, and from
linux-git(4.16rc6) on my Vega 64 when using both latest mesa-git (18) and
stable mesa (17) from arch repos.

It seemed not to appear when using fullscreen Vulkan rendering, pointing at GL
issues (right?), can examine further later.

Crosshair VI x370 mobo
Ryzen 1800X
16GB DDR4
STRIX Vega 64

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Berillions (berillions@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |berillions@gmail.com

--- Comment #12 from Berillions (berillions@gmail.com) ---
I confirm that i have this issue too with final kernel 4.16, Rx560 and
mesa-git.
The issue does not appears with the Kernel 4.15.15

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Martin Babutzka (martin.babutzka@web.de) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |martin.babutzka@web.de

--- Comment #13 from Martin Babutzka (martin.babutzka@web.de) ---
I can confirm this issue also exists for the latest (from 2.4.2018)
amd-staging-drm-next kernel and for the R9 380 with amdgpu dc.
The issue is also reported and commented on my repo:
https://github.com/M-Bab/linux-kernel-amdgpu-binaries/issues/50

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Paweł (pawel.pc44@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pawel.pc44@gmail.com

--- Comment #14 from Paweł (pawel.pc44@gmail.com) ---
Since nobody cared I bisected the issue:


>commit 36cc549d59864b7161f0e23d710c1c4d1b9cf022
>Author: Shirish S <shirish.s@amd.com>
>Date:   Wed Feb 28 12:14:58 2018 +0530
>
>    drm/amd/display: disable CRTCs with NULL FB on their primary plane (V2)
>    
>    The below commit
>    
>    "drm/atomic: Try to preserve the crtc enabled state in
>    >drm_atomic_remove_fb, v2"
>    
>    introduces a slight behavioral change to rmfb. Instead of disabling a crtc
>    when the primary plane is disabled, it now preserves it.
>    
>    This change leads to BUG hit while performing atomic commit on amd driver.
>    
>    As a fix this patch ensures that we disable the CRTC's with NULL FB by
>    >returning
>    -EINVAL and hence triggering fall back to the old behavior and turning off
>    >the
>    crtc in atomic_remove_fb().
>    
>    V2: Added error check for plane_state and removed sanity check for crtc.
>    
>    Signed-off-by: Shirish S <shirish.s@amd.com>
>    Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
>    Reviewed-by: Harry Wentland <harry.wentland@amd.com>
>    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
>
>:040000 040000 9b8fd67908699d2651daa93fab59b21e7a76b1c6
>>21bbcb69561e67e5acf63d56344c7ba7ac4146a6 M      drivers

It makes my AMD Radeon RX 480 flicker a lot.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #15 from Harry Wentland (harry.wentland@amd.com) ---
We reproduced the issue and have someone looking into it.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Sergey Kondakov (virtuousfox@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |virtuousfox@gmail.com

--- Comment #16 from Sergey Kondakov (virtuousfox@gmail.com) ---
(In reply to Harry Wentland from comment #15)
> We reproduced the issue and have someone looking into it.

Too bad a fix doesn't seem to be included in 4.16.1. I myself got this on RX
580 (but on old FX-6100 / PCI-e v.2 system), wasn't able to revert commit above
and just resorted to disabling DC with amdgpu.dc=0 boot option.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #17 from Berillions (berillions@gmail.com) ---
Still exist for me on kernel 4.16.2 but I have less randome flickering than
kernel 4.16/4.16.1 ...

Rx560 - 4Go
Mesa-Git
llvm 5.0.1

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #18 from Martin Babutzka (martin.babutzka@web.de) ---
Okay the AMD devs reverted the corresponding commit in amd-staging-drm-next
(https://cgit.freedesktop.org/~agd5f/linux/commit/?h=amd-staging-drm-next&id=fc0644eddd2d5f77aac44ad2ab5a3edae08d11c2).
I rebuild and tested them
(https://github.com/M-Bab/linux-kernel-amdgpu-binaries) and can confirm the
issue is fixed for now.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #19 from Kevin McCormack (wittyman37@yahoo.com) ---
Thanks for testing, Martin. This doesn't appear to be included in 4.16.3
looking at https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.3 and
Arch just bumped the kernel from 4.15 to 4.16.3 so I'm holding back updating. 

Are we likely to see this included in 4.16.4?

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #20 from Alex Deucher (alexdeucher@gmail.com) ---
The revert is cc'ed to stable so it will show up in the 4.16 stable tree as
well.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #21 from Kevin McCormack (wittyman37@yahoo.com) ---
Thank you, Alex!

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #22 from Kevin McCormack (wittyman37@yahoo.com) ---
Flickering seems to be gone on 4.17rc2!

However, there's a new issue :/
https://bugs.freedesktop.org/show_bug.cgi?id=106194

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

cm1@mailinator.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |cm1@mailinator.com

--- Comment #23 from cm1@mailinator.com ---
I experienced the flicker on 4.16.3 & I had to use amdgpu.dc=0 to suppress the
flicker (but it also disabled audio over HDMI) on my RX 560.

The flicker seems to be gone on 4.16.4 for me (amdgpu.dc=0 was also removed),
and audio over HDMI is working too.

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #24 from Harry Wentland (harry.wentland@amd.com) ---
Kevin, can you mark this as resolved?

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

--- Comment #25 from Thomas Crider (tcrider84@gmail.com) ---
I can also confirm the flicker is gone with 4.17rc2

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[Bug 199101] AMDGPU Fury X random screen flicker on Linux kernel 4.16rc5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=199101

Kevin McCormack (harlemsquirrel@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |CODE_FIX

--- Comment #26 from Kevin McCormack (harlemsquirrel@gmail.com) ---
It looks like this commit has made it into 4.16.4

https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4

Thanks all!

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